Does freeze drying work?
Posted by gena - Oct 1, 2019 work 0 0 Views : 8 Receive Updates For This Category
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Oct 1, 2019
In freeze -drying, food is frozen and placed in a strong vacuum. The water in the food then sublimates — that is, it turns straight from ice into vapor. Freeze -drying is most commonly used to make instant coffee, but also works extremely well on fruits such as apples.